21162141

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 112

約数和(自身を含む): 44069760

約数和(自身を除く): 22907619

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 29, 33, 39, 63, 77, 81, 87, 91, 99, 117, 143, 189, 203, 231, 243, 261, 273, 297, 319, 351, 377, 429, 567, 609, 693, 729, 783, 819, 891, 957, 1001, 1053, 1131, 1287, 1701, 1827, 2079, 2233, 2349, 2457, 2639, 2673, 2871, 3003, 3159, 3393, 3861, 4147, 5103, 5481, 6237, 6699, 7047, 7371, 7917, 8019, 8613, 9009, 9477, 10179, 11583, 12441, 16443, 18711, 20097, 21141, 22113, 23751, 25839, 27027, 29029, 30537, 34749, 37323, 49329, 56133, 60291, 66339, 71253, 77517, 81081, 87087, 91611, 104247, 111969, 147987, 180873, 213759, 232551, 243243, 261261, 274833, 335907, 542619, 641277, 729729, 783783, 1007721, 1627857, 1923831, 2351349, 3023163, 7054047, 21162141]

約数ペア:

[(1, 21162141), (3, 7054047), (7, 3023163), (9, 2351349), (11, 1923831), (13, 1627857), (21, 1007721), (27, 783783), (29, 729729), (33, 641277), (39, 542619), (63, 335907), (77, 274833), (81, 261261), (87, 243243), (91, 232551), (99, 213759), (117, 180873), (143, 147987), (189, 111969), (203, 104247), (231, 91611), (243, 87087), (261, 81081), (273, 77517), (297, 71253), (319, 66339), (351, 60291), (377, 56133), (429, 49329), (567, 37323), (609, 34749), (693, 30537), (729, 29029), (783, 27027), (819, 25839), (891, 23751), (957, 22113), (1001, 21141), (1053, 20097), (1131, 18711), (1287, 16443), (1701, 12441), (1827, 11583), (2079, 10179), (2233, 9477), (2349, 9009), (2457, 8613), (2639, 8019), (2673, 7917), (2871, 7371), (3003, 7047), (3159, 6699), (3393, 6237), (3861, 5481), (4147, 5103)]